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KRAL JOSEF

Overview
  • Total Patents
    14
About

KRAL JOSEF has a total of 14 patent applications. Its first patent ever was published in 1909. It filed its patents most often in Czechoslovakia, Austria and Switzerland. Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and civil engineering are ESTECHPHARMA CO LTD, JUSTE S A and SHANGHAI HUAJIN BIOTECHNOLOGY CO LTD.

Patent filings in countries

World map showing KRAL JOSEFs patent filings in countries
# Country Total Patents
#1 Czechoslovakia 11
#2 Austria 1
#3 Switzerland 1
#4 Czechia 1

Patent filings per year

Chart showing KRAL JOSEFs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kral Josef 7
#2 Kral Josef Ing 7
#3 Sevcik Bohumil Prof Mvdr Drsc 2
#4 Borovicka Antonin Ing 2
#5 Bilek Petr Ing 2
#6 Prouza Antonin 1
#7 Sevcik Bohumil 1
#8 Svoboda Jiri 1
#9 Palecek Jaroslav 1
#10 Picha Josef Ing Csc 1

Latest patents

Publication Filing date Title
CZ326791A3 device for transporting and handling containers
CS883988A1 Fixed contact of electric switch with gaseous quenching medium
CS526488A1 Device for gas escape indication
CS366688A1 Shaft for earthing device for double contact blades
CS788687A1 Device for following electric arc in quencher of switch
CS778787A1 Switching off peg and pistonof electric switch-isolator
CS441587A1 Means for farming animals' ovarian functions control
CS928186A1 Agent for cow natality increase
CS248770B1 Anaesthetic for fish
CS214585B1 Fodder for fish
CS213166B1 Appliance for measuring the areas of cultured soil by agricultural machines
CS203786B1 Preparation for healing the cestodosis of the carplike fishes